Dibang Chirita
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Dibang Chirita
ative Photo: Pravir Deshmukh
Common name: Dibang Chirita
Botanical name: Henckelia dibangensis    Family: Gesneriaceae (Gloxinia family)
Synonyms: Chirita dibangensis

Dibang Chirita is an annual herb named after Dibang Valley, Arunachal Pradesh, where it is found. It is an erect herb, with somewhat quandrangular, hairless stem. Leaves are opposite, 6-12 x 4-6.5 cm, ovate to elliptic, base oblique, wedge-shaped, margin finely toothed to subentire, tip pointed to tapering; hairless; lateral veins 5-7 on each side of midrib, prominent. Leaf-stalks are 1-4 cm long, becoming hairless. Flowers are borne in 1-2 flowered cymes. Flower-cluster-stalks are 1-2 cm long. Bracts are 2, 1-2 x 1-2 mm, lanceshaped to ovate, finely velvet-hairy, margin minutely finely toothed, tip pointed. Flower-stalks are 0.5-2 cm long, hairless to sparsely velvet-hairy, at times glandular finely velvet-hairy. Sepal-cup is 5-lobed from near middle, tube 2-6 mm long; sepals 4-6 x 2-3 mm, nearly equal, narrowly triangular, outside sparsely finely velvet-hairy, inside hairless, margin entire, tip tapering. Flowers are white with 2 yellow lines on throat, 3-5 cm long, outside sparsely finely velvet-hairy, inside hairless; tube 2-3 cm long; lower lip 5-7 mm long, upper lip 7-10 mm long. Filaments are 1-1.2 cm long, sparsely finely velvet-hairy; anthers 1-2 mm long, fused by entire upper surfaces, hairless. Ovary is 1.5-2.5 cm long, sparsely finely velvet-hairy; style 1-1.5 cm long, Flowering: July-November.

Identification credit: Pravir Deshmukh Photographed in Dibang Valley, Arunachal Pradesh.

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